JPS5625209A - Structure of vibration system of pickup cartridge - Google Patents
Structure of vibration system of pickup cartridgeInfo
- Publication number
- JPS5625209A JPS5625209A JP9984979A JP9984979A JPS5625209A JP S5625209 A JPS5625209 A JP S5625209A JP 9984979 A JP9984979 A JP 9984979A JP 9984979 A JP9984979 A JP 9984979A JP S5625209 A JPS5625209 A JP S5625209A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- vibration system
- damping material
- cantilever
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To make it possible to damp high-frequency resonance effectively without detracting anything from the follow-up property in terms of intermediate and low frequency range by providing the 2nd damping material between a stylus and damping material and by setting its resonance frequency nearly equal to the high- frequency resonance frequency of a vibration system.
CONSTITUTION: The base end of cantilever 3 is pulled by wire 5 to press armature 6 against holder 7 with damping material 8 interposed. In the meddle of cantilever 3, the 2nd damping material consisting of ring-shaped mass body 10 and elastic body 11 is fitted. The resonance frequency determied by the mass of this mass body 10 and the stiffness of elastic body 11 is set nearly equal to the high frequency of the whole vibration system including cantilever 3. Consequently, as the vibration frequency approximates the high frequency range, elastic body 11 of mass body 10 resonates to apply damping in proportion to the displacement of the vibration system. Consequently, frequency response characteristics can be flattened without detracting anything from the follow-up property in terms of intermediate and low frequency range.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9984979A JPS5625209A (en) | 1979-08-07 | 1979-08-07 | Structure of vibration system of pickup cartridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9984979A JPS5625209A (en) | 1979-08-07 | 1979-08-07 | Structure of vibration system of pickup cartridge |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5625209A true JPS5625209A (en) | 1981-03-11 |
Family
ID=14258239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9984979A Pending JPS5625209A (en) | 1979-08-07 | 1979-08-07 | Structure of vibration system of pickup cartridge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5625209A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2525060A1 (en) * | 1982-04-08 | 1983-10-14 | Rca Corp | DEVICE FOR MAINTAINING A NEEDLE FOR READING VIDEO DISC SIGNALS |
US4441176A (en) * | 1982-04-08 | 1984-04-03 | Rca Corporation | Damping mechanism for a video disc stylus holder |
US4495611A (en) * | 1981-08-14 | 1985-01-22 | Nippon Gakki Seizo Kabushiki Kaisha | Vibration system of pickup cartridge of record player |
US4512009A (en) * | 1981-09-24 | 1985-04-16 | Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. | Stylus for stereo pickups |
-
1979
- 1979-08-07 JP JP9984979A patent/JPS5625209A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495611A (en) * | 1981-08-14 | 1985-01-22 | Nippon Gakki Seizo Kabushiki Kaisha | Vibration system of pickup cartridge of record player |
US4512009A (en) * | 1981-09-24 | 1985-04-16 | Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. | Stylus for stereo pickups |
FR2525060A1 (en) * | 1982-04-08 | 1983-10-14 | Rca Corp | DEVICE FOR MAINTAINING A NEEDLE FOR READING VIDEO DISC SIGNALS |
US4441176A (en) * | 1982-04-08 | 1984-04-03 | Rca Corporation | Damping mechanism for a video disc stylus holder |
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